9d9fbc62f5
Consolidate install wizard, networking, URL formats, and troubleshooting into docs/project/nexus-1panel-operations-knowledge.md. Co-authored-by: Cursor <cursoragent@cursor.com>
378 lines
13 KiB
Markdown
378 lines
13 KiB
Markdown
# Nexus 6.0 — 1Panel + Docker 运维知识文档
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| 项 | 内容 |
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|----|------|
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| 版本 | 2026-06-06 |
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| 读者 | 运维、接续开发、AI Agent |
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| 定位 | **1Panel 生产部署 SSOT**(安装向导、网络、MySQL/Redis、日常 nx update) |
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| 关联 | [deploy/README-1panel.md](../../deploy/README-1panel.md) · [nexus-functional-development-guide.md](nexus-functional-development-guide.md) · [2026-06-04-1panel-docker-production.md](../design/plans/2026-06-04-1panel-docker-production.md) |
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---
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## 1. 架构总览
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### 1.1 生产拓扑(1Panel)
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```mermaid
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flowchart LR
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Internet --> OpenResty["OpenResty (host)"]
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OpenResty -->|"127.0.0.1:8600"| Nexus["Nexus 容器"]
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Nexus -->|"1Panel-mysql-xxxx:3306"| MySQL["1Panel MySQL"]
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Nexus -->|"1Panel-redis-xxxx:6379"| Redis["1Panel Redis"]
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Nexus --- VolState["卷 nexus-state (.env)"]
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Nexus --- VolData["卷 nexus-web-data"]
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MySQL --- Net["1panel-network"]
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Redis --- Net
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Nexus --- Net
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```
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**铁律**([1Panel 官方说明](https://github.com/1Panel-dev/1Panel/issues/11676)):
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- 应用商店 MySQL/Redis 在 **`1panel-network`** 上,容器间用 **容器名** 通信。
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- **禁止**在 Nexus 容器内用 `127.0.0.1`、`localhost`、`host.docker.internal` 连 1Panel MySQL/Redis。
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- OpenResty 在宿主机网络,反代目标为 **`http://127.0.0.1:8600`**。
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### 1.2 仓库关键目录
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| 路径 | 职责 |
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|------|------|
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| `server/` | FastAPI 后端;`api/install.py` = 安装向导 API |
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| `frontend/` | Vue 3 SPA 源码(14 页) |
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| `web/app/` | 构建产物;**`install.html` 为独立静态页**(Alpine.js,不经 Vite 路由) |
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| `web/data/` | 运行时:`config.json`、`1panel-hosts.json` |
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| `deploy/` | 1Panel 安装/升级、`nx`、验收与修复脚本 |
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| `docker/` | `docker-compose.prod.yml`、`entrypoint.sh`、`.env.prod` |
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| `Dockerfile.prod` | 多阶段:npm build + Python 镜像 |
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### 1.3 两套 Compose
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| 文件 | 服务 |
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|------|------|
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| `docker-compose.yml` | 本地 dev:nexus + mysql + redis |
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| `docker-compose.prod.yml` | **生产:仅 nexus** |
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| `docker-compose.1panel.yml` | 叠加:nexus 加入 `1panel-network` |
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---
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## 2. 启动模式与 `.env` 生命周期
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### 2.1 安装模式 vs 正常模式
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`server/main.py` 中 `is_install_mode()`:**运行时**检测 `/app/.env` 是否存在。
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| 模式 | 条件 | 可用能力 |
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|------|------|----------|
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| 安装模式 | 无 `/app/.env` | `/api/install/*`、`/app/install.html`、静态、`/health` |
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| 正常模式 | 有完整 `.env` | 全 API、WebSocket、后台任务 |
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### 2.2 配置存储四层
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| 层级 | 位置 | 写入方 |
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|------|------|--------|
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| Compose 环境 | 宿主机 `docker/.env.prod` | `nexus-1panel.sh install` / `generate_nexus_secrets.py` |
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| 应用根 | 容器 `/app/.env` | 安装向导步骤 3 `init-db` |
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| 持久卷 | `nexus-state` → `/var/lib/nexus/.env` | `entrypoint.sh` 退出时同步 |
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| Web 数据 | `nexus-web-data` → `/app/web/data/` | `config.json`、`1panel-hosts.json` |
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**不可从 DB settings 覆盖**:`SECRET_KEY`、`API_KEY`、`ENCRYPTION_KEY`、`DATABASE_URL`。
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### 2.3 Docker 安装状态机
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```
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install --fresh
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→ docker/.env.prod: NEXUS_INSTALL_WIZARD_PENDING=1 + 预生成三密钥
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→ entrypoint 不写 /app/.env,不阻塞等待 MySQL/Redis
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浏览器步骤 3 init-db
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→ 写 /app/.env、config.json、settings、.install_state.json
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步骤 4 create-admin
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→ 写 admins,自动 lock(.install_locked)
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entrypoint EXIT trap
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→ /app/.env 复制到 nexus-state
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```
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**重要**:仅删除 1Panel 里的 MySQL 库 **不会** 清除 `/app/.env`;向导会提示「系统已初始化,无法重复执行数据库安装」。重装需删卷内 `.env` 并设 `NEXUS_INSTALL_WIZARD_PENDING=1`(见 §7.6)。
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---
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## 3. 安装向导(5 步)
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### 3.1 流程与 API
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| 步 | UI | API | 说明 |
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|----|-----|-----|------|
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| 1 | 欢迎 | — | 准备项 |
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| 2 | 环境检测 | `GET /api/install/env-check` | TCP 探测 MySQL/Redis;返回 `docker_defaults` |
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| 3 | 数据库配置 | `POST /api/install/test-credentials` | **必须先检测账号密码** |
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| 3 | 初始化 | `POST /api/install/init-db` | 建表、三写、发 `install_token`;**.env 已存在则 403** |
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| 4 | 管理员 | `GET /api/install/connection-check` | 读 `.env` 验 MySQL+Redis |
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| 4 | 创建 admin | `POST /api/install/create-admin` | 需 `install_token` |
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| 5 | 完成 | `POST /api/install/lock`(兜底) | 写 `.install_locked` |
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辅助:`GET /status`、`GET /state`(断点续装)。
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实现文件:`server/api/install.py`、`web/app/install.html`。
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### 3.2 步骤 3 表单(1Panel 正确填法)
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| 字段 | MySQL | Redis |
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|------|-------|-------|
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| 主机 | `1Panel-mysql-xxxx` | `1Panel-redis-xxxx` |
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| 端口 | `3306` | `6379` |
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| 库名/用户 | `nexus` / `nexus` | 库号 `0` |
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| 用户名 | — | **`root`**(1Panel Redis ACL,[官方文档](https://docs.1panel.pro/v2/user_manual/databases/redis/)) |
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| 密码 | 1Panel「数据库」里建的 nexus 密码 | 1Panel Redis **应用参数**中的随机密码 |
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### 3.3 Docker 预填来源
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优先级(`_onepanel_service_host`):
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1. 环境变量 `NEXUS_1PANEL_DB_HOST` / `NEXUS_1PANEL_REDIS_HOST`
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2. `/app/web/data/1panel-hosts.json`(`nx update` 写入卷)
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3. 回退 `host.docker.internal`(**1Panel 场景错误**)
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`env-check` 在 `NEXUS_DOCKER_WRITE_ENV=1` 时返回 `docker_defaults`,含 `redis_user: "root"`。前端会覆盖 stale 的 `127.0.0.1` / `host.docker.internal`。
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### 3.4 连接 URL 格式(必读)
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**MySQL**(写入 `NEXUS_DATABASE_URL`):
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```
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mysql+aiomysql://nexus:密码@1Panel-mysql-xxxx:3306/nexus
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```
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**Redis**(写入 `NEXUS_REDIS_URL`)— `server/api/install.py` `_build_redis_url`:
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| 场景 | URL 格式 |
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|------|----------|
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| 1Panel(推荐) | `redis://root:密码@1Panel-redis-xxxx:6379/0` |
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| 仅 requirepass、无用户名 | `redis://:密码@1Panel-redis-xxxx:6379/0` |
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| 无密码 | `redis://1Panel-redis-xxxx:6379/0` |
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**历史 bug(807f4c2 前)**:生成 `redis://密码@host` 会把密码当成**用户名**,导致 `invalid username-password pair or user is disabled`。升级后须 `git pull` + `sync-install-wizard-to-container.sh`。
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---
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## 4. 1Panel 部署流程
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### 4.1 前置
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1. 安装 1Panel + Docker
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2. 应用商店安装 **MySQL**、**Redis**(自动创建 `1panel-network`)
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3. 1Panel「数据库」:库 `nexus`、用户 `nexus`(仅授权 `nexus` 库)
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4. 记录 Redis 应用参数中的 **root 密码**
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### 4.2 安装 Nexus
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```bash
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# 新机(curl)
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curl -fsSL "http://66.154.115.8:3000/admin/Nexus/raw/branch/main/deploy/quick-install.sh" | bash
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# 或已有仓库
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cd /opt/nexus && bash deploy/install-nexus-fresh.sh --skip-clone
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```
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完成后:`https://<域名>/app/install.html`
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### 4.3 `nx update` 自动 sync(b25d079+)
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`deploy/nexus-1panel.sh` 在 install/upgrade 时:
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1. `detect-1panel-services.sh` 探测容器名
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2. 写入 `docker/.env.prod`:`NEXUS_1PANEL_*_HOST`、`NEXUS_REDIS_URL=redis://容器:6379/0`(**无密码**,密码由向导填)
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3. `write_1panel_hosts_volume` → `1panel-hosts.json`
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4. 若存在 `1panel-network`,叠加 `docker-compose.1panel.yml`
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### 4.4 OpenResty
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- 1Panel → 网站 → 反代 `http://127.0.0.1:8600`
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- HTTPS Let's Encrypt
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- 参考:`deploy/1panel/openresty-nexus.conf.example`(`/ws/` 超时 ≥ 3600s)
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- **禁止**脚本修改 `/opt/1panel/apps/openresty/`
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### 4.5 资源档位
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| Profile | 说明 |
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|---------|------|
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| `1c4g` | 小机 |
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| `2c8g` | 默认 |
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| `4c16g` | `--profile 4c16g` |
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持久化:`docker/.host-profile`。
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---
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## 5. 日常运维:`nx` 与 `update`
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| 命令 | 等价 |
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|------|------|
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| `nx` | 交互菜单 |
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| `nx update` | `deploy/update.sh` → `nexus-1panel.sh upgrade` |
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| `nexus-update` | 同上 |
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**upgrade 顺序**:`git fetch` → 可选 MySQL 备份 → `git reset --hard origin/main` → `sync_1panel_service_hosts` → `compose up -d --build` → `sync-install-wizard-to-container.sh` → `/health` 验收。
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| 参数 | 含义 |
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|------|------|
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| `--check` | 仅查 Git |
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| `--no-cache` | 无缓存重建镜像 |
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| `--no-backup` | 跳过 mysqldump |
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| `--prune` | 清理悬空镜像 |
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---
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## 6. 脚本速查
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| 脚本 | 用途 |
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|------|------|
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| [deploy/README-1panel.md](../../deploy/README-1panel.md) | 速查表 |
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| `verify-1panel-install-wizard.sh` | 服务器一键验收 |
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| `detect-1panel-services.sh` | 输出 `NEXUS_1PANEL_*_HOST` |
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| `fix-1panel-mysql-grant.sh` | 修复 MySQL 1045(`nexus@'%'`) |
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| `test-1panel-redis.sh` | **Redis 多格式认证诊断** |
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| `sync-install-wizard-to-container.sh` | 热同步 `install.html` + `install.py` |
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| `uninstall-mysql-compose.sh` | 清理旧内置 MySQL 栈 |
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---
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## 7. 故障排查决策树
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### 7.1 Redis 认证失败
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**症状**:`invalid username-password pair` / `NOAUTH` / `wrongpass`
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```
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1. 主机是否为 1Panel-redis-xxxx?(不是 127.0.0.1)
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2. 用户名是否 root?(1Panel 默认 ACL 用户)
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3. 密码是否与 1Panel → Redis → 参数 一致?
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4. 代码是否 ≥ 807f4c2?(URL 须 redis://root:pass@ 或 redis://:pass@)
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5. 运行诊断:
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cd /opt/nexus && bash deploy/test-1panel-redis.sh
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```
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**在 Redis 容器内验证**:
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```bash
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REDIS=$(docker ps --format '{{.Names}}' | grep -i '1Panel-redis' | head -1)
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docker exec -it "$REDIS" redis-cli -u "redis://root:你的密码@127.0.0.1:6379" ping
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# 期望 PONG
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```
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**查真实配置**(密码与 ACL):
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```bash
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ls /opt/1panel/apps/redis/
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grep -E 'requirepass|user ' /opt/1panel/apps/redis/*/conf/redis.conf 2>/dev/null
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```
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**修正已有 `.env`(步骤 3 已执行过)**:
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```bash
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NEXUS=$(docker ps --format '{{.Names}}' | grep nexus-prod-nexus | head -1)
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REDIS=$(grep '^NEXUS_1PANEL_REDIS_HOST=' /opt/nexus/docker/.env.prod | cut -d= -f2)
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docker exec "$NEXUS" sed -i "s|^NEXUS_REDIS_URL=.*|NEXUS_REDIS_URL=\"redis://root:你的密码@${REDIS}:6379/0\"|" /app/.env
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docker restart "$NEXUS"
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# 向导步骤 4 → 重新检测连接
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```
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### 7.2 MySQL 1045
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**症状**:`Access denied for user 'nexus'@'172.18.x.x'`
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- TCP 已通,但用户仅 `nexus@localhost`
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- 修复:`bash deploy/fix-1panel-mysql-grant.sh`(需 1Panel MySQL **root** 密码,非 nexus 用户)
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### 7.3 host.docker.internal
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**症状**:`Can't connect to MySQL/Redis on 'host.docker.internal'`
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```bash
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cd /opt/nexus
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bash deploy/detect-1panel-services.sh
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nx update --no-cache
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bash deploy/verify-1panel-install-wizard.sh
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```
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### 7.4 系统已初始化,无法重复执行数据库安装
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- `/app/.env` 已存在,**不要**再点步骤 3 初始化
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- 若 Redis 错:改 `.env` 中 `NEXUS_REDIS_URL`(§7.1)→ 步骤 4 重检
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- 若需完全重装:
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```bash
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NEXUS=$(docker ps --format '{{.Names}}' | grep nexus-prod-nexus | head -1)
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docker exec "$NEXUS" rm -f /app/.env /app/.install_state.json /app/.install_locked
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docker run --rm -v nexus-prod_nexus-state:/data alpine:3.19 rm -f /data/.env
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# 确认 docker/.env.prod 中 NEXUS_INSTALL_WIZARD_PENDING=1
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nx update --no-cache
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```
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### 7.5 外网 HTTPS 失败、本机 8600 正常
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- 配置 OpenResty 反代 + SSL
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- `curl -s http://127.0.0.1:8600/health` → `ok`
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- `curl -sk https://域名/health` → 应 `ok`
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### 7.6 install.html 非 200
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```bash
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bash deploy/sync-install-wizard-to-container.sh
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# 或 nx update --no-cache
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```
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---
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## 8. 验收清单
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```bash
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cd /opt/nexus && bash deploy/verify-1panel-install-wizard.sh
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```
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关键 `[PASS]`:
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- Git ≥ `b25d079`(1Panel sync)
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- `NEXUS_1PANEL_DB_HOST` / `NEXUS_1PANEL_REDIS_HOST`
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- Nexus 在 `1panel-network`
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- `/app/.env` 不存在(安装模式)或连接检测全绿
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- `env-check` 的 `docker_defaults.db_host` 为 `1Panel-mysql-*`
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浏览器:步骤 3 **先检测** → 初始化 → 步骤 4 创建 admin → `/app/` 登录。
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---
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## 9. 提交修复索引
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| 提交 | 主题 |
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|------|------|
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| `b25d079` | `nx update` sync 1Panel 容器名;upgrade 补 `sync_1panel_service_hosts` |
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| `d0544c9` | `fix-1panel-mysql-grant.sh`;MySQL 1045 友好错误 |
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| `da061d3` | 步骤 3 `test-credentials` 门禁 |
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| `807f4c2` | Redis URL `redis://:pass@` / `redis://root:pass@`;`redis_user` 字段 |
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---
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## 10. 与功能开发 SSOT 的差异
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| 点 | `nexus-functional-development-guide.md` §16 | 1Panel 实装 |
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|----|---------------------------------------------|-------------|
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| 步骤 2/3 | 与 init-db 合并描述 | 步骤 2 仅 env-check;步骤 3 含 test-credentials |
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| 配置三写 | 提及 `config.php` | 现为 `config.json` |
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| 生产部署 §18 | Supervisor + 宝塔 | 以 `nexus-1panel.sh` / `nx` 为主 |
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| Redis 主机 | 泛化为 localhost | **1Panel 必须容器名 + root 用户** |
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---
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## 11. 相关文档
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- [nexus-functional-development-guide.md](nexus-functional-development-guide.md) — 全栈功能 SSOT
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- [nexus-functional-development-guide-appendix.md](nexus-functional-development-guide-appendix.md) — API 附录
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- [production-verification-checklist.md](production-verification-checklist.md) — L5
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- [linux-dev-paths.md](linux-dev-paths.md) — 本地路径
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- [../changelog/](../changelog/) — 按日变更记录
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---
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*本文档随 1Panel 部署实践更新;代码行为以 `server/api/install.py` 与 `deploy/nexus-1panel.sh` 为准。*
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